Defineitely a problem with the battery set. The idea is to have a stiff DC source to trip AC circuit breakers during faults.
Fortunately, a monitor is in place to warn of a potentially most seroious problem.
Get that battery set tested right away. The repercussions on disregarding the warning you found could be very expensive.
[This message has been edited by Bjarney (edited 02-23-2006).]